n | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Fn | 0 | 1 | 1 | 2 | 3 | 5 | 8 | 13 | 21 | 34 | 55 |
F−n | 0 | 1 | −1 | 2 | −3 | 5 | −8 | 13 | −21 | 34 | −55 |